Finding the Fourth Proportional to 156,461.14, 216,094.59 and 106,072.66
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Solution
The fourth proportional to 156,461.14, 216,094.59 and 106,072.66 is: 146,501.09
Step by Step Solution
- Step 1: Write the proportion equation
156,461.14 : 216,094.59 = 106,072.66 : x - Step 2: Convert to fraction form
156,461.14/216,094.59 = 106,072.66/x - Step 3: Cross multiply
156,461.14x = 216,094.59 × 106,072.66 - Step 4: Simplify right side
156,461.14x = 22,921,727,972.91 - Step 5: Solve for x
x = 22,921,727,972.91/156,461.14 - Step 6: Final answer
x = 146,501.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.